Robert Joseph Kostial, D.D.S.
General Practice Dentistry · Phoenix, AZ
Robert Joseph Kostial, D.D.S. is a general practice dentistry with a practice address in Phoenix, Arizona, and NPI 1568552354, issued on Oct 13, 2006. Check the license (Arizona 3222, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Robert Joseph Kostial
- Credential
- D.D.S.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 3222 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 20950 N Tatum Blvd, Phoenix, AZ 85050
- Phone
- (480) 473-2656
- Enumerated
- Oct 13, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (480) 538-5253
- Entity
- Type 1 · individual
Also registered at 20950 N Tatum Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jason Arnett, P.A.Physician Assistant1336132034
- Barbara Capone, PT, MBAPhysical Therapist1285752345
- Elizabeth Fleming, DDSGeneral Practice Dentistry1891789210
- Molly Gilbert, DPTOrthopedic Physical Therapist1669605077
- Lauren Hasquet, PTPhysical Therapist1427490242
- Richard Holley, DDSGeneral Practice Dentistry1487864336
Verify Robert Joseph Kostial in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arizona board licenses this profession
Search for license 3222Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
66% fewer Medicare Part D claims than the average general practice dentistry in 2024
28 Medicare Part D claims for 21 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin18 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
461 general practice dentistry records list a practice address in Phoenix
They are 461 of the 31,399 NPPES records with a practice address in Phoenix, and 2,482 general practice dentistry records in Arizona.
All 461 in Phoenix → All 2,482 in Arizona → Every provider in Phoenix →
Other general practice dentistry records in Arizona
- Bruce Aahrens, DDSPeoria, AZ1356428510
- Abraham Abaie, DDSScottsdale, AZ1477641256
- Alisha Abbas, DMDTucson, AZ1528985355
- Ali AbdulmajeedLaveen, AZ1194493080
- Reza Abedi, DDSApache Junction, AZ1578659736
- Aryan Abedini, DMDAvondale, AZ1841776150
- Ramez Abilmona, DMDMesa, AZ1376744748
- Mark AbzugPhoenix, AZ1871648543
- Chad Achatz, DMDScottsdale, AZ1699220863
- Kelsey Adams, DMDScottsdale, AZ1770476731
Common questions
What is Robert Joseph Kostial, D.D.S.'s NPI number?
Robert Joseph Kostial, D.D.S.'s National Provider Identifier (NPI) is 1568552354, issued on Oct 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert Joseph Kostial, D.D.S. located?
The NPPES record lists a practice address at 20950 N Tatum Blvd, Phoenix, AZ, 85050. Phone: (480) 473-2656. Providers update this record themselves, so call before visiting.
How can I verify Robert Joseph Kostial, D.D.S.'s license?
NPPES lists Arizona license number 3222, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.
How much does Robert Joseph Kostial, D.D.S. prescribe under Medicare Part D?
In 2024, Robert Joseph Kostial, D.D.S. had 28 Medicare Part D claims for 21 beneficiaries; the average among general practice dentistry prescribers was 83. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.